Mitosis and cytoplasmic division of a cell in an ovule produces four __________, one of which gives
rise to the female gametophyte. Fill in the blank(s) with the appropriate word(s).
megaspores
Biology & Microbiology
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Phages that can either replicate and cause cell lysis or can integrate their DNA into the host DNA are called
A. lysogenic phages. B. lytic phages. C. virulent phages. D. segmented phages.
Biology & Microbiology
Which of the following is not a type of symbiosis?
A. parasitism B. mutualism C. commensalism D. predation E. None of the answer choices is correct.
Biology & Microbiology
What type of mutagen would you use if you wanted to study the effect of pyrimidine dimers in causing cancer?
What will be an ideal response?
Biology & Microbiology
Which of the following is a specific function of the cerebrospinal fluid?
A) thinking B) promoting inflammation C) bone building D) shock absorption
Biology & Microbiology